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CN-224230732-U - High-efficiency energy-saving metallurgical furnace flue gas waste heat recovery device

CN224230732UCN 224230732 UCN224230732 UCN 224230732UCN-224230732-U

Abstract

The utility model relates to the field of metallurgical furnace flue gas waste heat recovery and discloses a high-efficiency and energy-saving metallurgical furnace flue gas waste heat recovery device which comprises a shell, wherein a plurality of groups of heat exchange pipes are arranged in the shell, the heat exchange pipes penetrate through and are fixedly connected to the front surface and the rear surface of the shell, a cleaning assembly is arranged in the shell, the cleaning assembly comprises four groups of fixing frames which are fixedly connected to the inner walls of the shell and are close to the inner walls of the left side and the right side, four groups of fixing frames which are positioned at the upper side and the lower side, and a servo motor which is fixedly arranged on the left side surface of the shell, and guide frames are connected to the opposite surfaces of each two groups of fixing frames in the upper direction and the lower direction in a sliding mode. According to the utility model, the guide frame drives the guide plate and the plurality of groups of felts to move linearly back and forth stably, so that the felts are driven to perform full-automatic cleaning on the surface of the heat exchange tube, the heat exchange tube is ensured to always maintain high-efficiency heat exchange performance, the problem of heat exchange efficiency reduction caused by dust accumulation in the traditional waste heat recovery device is effectively solved, and the waste heat recovery efficiency is improved.

Inventors

  • ZHAO MINGYANG
  • HUO YUJIA
  • GUO PENGPENG
  • JIANG XINNAN
  • ZHANG YANG
  • ZHAO TAO
  • SUN HAIJUAN

Assignees

  • 孙海娟

Dates

Publication Date
20260512
Application Date
20250605

Claims (8)

  1. 1. The high-efficiency energy-saving metallurgical furnace flue gas waste heat recovery device comprises a shell (1) and is characterized in that heat exchange tubes (4) are arranged in the shell (1) and a plurality of groups of heat exchange tubes (4) are arranged in the shell (1), the heat exchange tubes (4) penetrate through and are fixedly connected to the front surface and the rear surface of the shell (1), and a cleaning assembly (2) is arranged in the shell (1); The utility model provides a heat exchange tube, clearance subassembly (2) is including fixed connection at casing (1) inner wall be close to both sides inner wall about, and be located four groups fixed frame (25) and servo motor (23) of fixed mounting at casing (1) left side surface of upper and lower side, every two groups the equal sliding connection of the opposite face of fixed frame (25) has guide frame (27), two groups the equal fixedly connected with slider (28) in upper and lower both ends of guide frame (27), four groups slider (28) are sliding connection respectively at the inner wall of four groups fixed frame (25), two groups the equal sliding connection in middle part outside of guide frame (27) has guide arm (26), two groups the equal fixedly connected with connecting rod (24) of outer end of guide arm (26), the one end fixed connection at the outer wall of guide arm (22) is kept away from to two groups of connecting rod (24), two groups between guide frame (27), guide plate (21) run through and set up in the heat exchange tube (4) outside has set of multiunit felt (4), multiunit heat exchange tube (4) are seted up.
  2. 2. The efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 1, wherein the rotating rod (22) penetrates through and is rotationally connected to the inside of the shell (1), sealing sheets are arranged at the rotational connection position of the rotating rod (22) and the shell (1), and a plurality of groups of felts (29) penetrate through and are installed on the inner wall of the through hole of the guide plate (21).
  3. 3. The efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 1, wherein the inner walls of the sliding block (28) and the fixed frame (25) are arranged in a dovetail rectangular shape.
  4. 4. An efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 1, wherein two groups of connecting rods (24) are obliquely arranged.
  5. 5. The efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 1, wherein an installation component (3) is arranged outside the felt (29), the installation component (3) comprises two groups of installation frames (31), the two groups of felts (29) are clamped on the inner walls of the two groups of installation frames (31), slots (33) are formed in the right end of a circular opening of the installation frame (31) on the left side, clamping blocks (35) are fixedly connected to the left end of the circular opening of the installation frame (31) on the right side, the two groups of clamping blocks (35) are inserted into the inner walls of the two groups of slots (33), and clamping grooves (34) are formed in the outer walls of the two groups of installation frames (31).
  6. 6. The efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 5, wherein the two groups of mounting frames (31) penetrate through the through holes, the two groups of clamping springs (32) are respectively clamped on the inner walls of the corresponding clamping grooves (34) to fixedly mount the felt (29) on the inner walls of the through holes, and the two groups of clamping springs (32) and the two groups of clamping grooves (34) are arranged outside the front surface and the rear surface of the guide plate (21).
  7. 7. The efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 5, wherein the two groups of mounting frames (31) are symmetrically arranged in a semicircular mode.
  8. 8. The efficient and energy-saving metallurgical furnace flue gas waste heat recovery device according to claim 5, wherein the two groups of felts (29) are symmetrically arranged on the inner walls of the two groups of clamping blocks (35) in a semicircular mode.

Description

High-efficiency energy-saving metallurgical furnace flue gas waste heat recovery device Technical Field The utility model relates to the field of metallurgical furnace flue gas waste heat recovery, in particular to a high-efficiency and energy-saving metallurgical furnace flue gas waste heat recovery device. Background In the metallurgical industry, a metallurgical furnace is one of key equipment, and a large amount of high-temperature flue gas can be generated when the metallurgical furnace runs, and if the waste heat carried by the flue gas is directly discharged, not only is energy waste caused, but also environmental pollution can be aggravated, so how to efficiently recycle and utilize the waste heat in the flue gas becomes an important subject of energy conservation, emission reduction and energy utilization efficiency improvement in the metallurgical industry. In the long-term operation process of the traditional metallurgical furnace flue gas waste heat recovery device, dust in flue gas can be attached to the surface of a heat exchange tube to form an ash accumulation layer, so that the heat exchange efficiency is seriously affected, equipment damage is even caused, the operation cost of enterprises is increased, and the efficient and energy-saving metallurgical furnace flue gas waste heat recovery device is provided for solving the problems. Disclosure of utility model In order to make up for the defects, the utility model provides a high-efficiency energy-saving metallurgical furnace flue gas waste heat recovery device, and aims to solve the problem that dust in flue gas can be attached to the surface of a heat exchange tube to form an ash accumulation layer and seriously affect heat exchange efficiency in the prior art. In order to achieve the aim, the high-efficiency energy-saving metallurgical furnace flue gas waste heat recovery device comprises a shell, wherein heat exchange tubes are arranged in the shell and are provided with a plurality of groups, the heat exchange tubes are all penetrated and fixedly connected to the front surface and the rear surface of the shell, a cleaning component is arranged in the shell, the cleaning component comprises four groups of fixing frames which are fixedly connected to the inner wall of the shell and are close to the left inner wall and the right inner wall of the shell, and are positioned at the upper side and the lower side, and a servo motor which is fixedly arranged on the left surface of the shell, guide frames are connected to the opposite surfaces of each two groups of fixing frames in a sliding manner, sliding blocks are fixedly connected to the upper ends and the lower ends of the two groups of guide frames, the four groups of sliding blocks are respectively and fixedly connected to the inner walls of the four groups of fixing frames, guide rods are fixedly connected to the outer sides of the middle parts of the two groups of the guide frames, connecting rods are fixedly connected to the outer ends of the two groups of the guide rods, the right side of an output shaft of the servo motor is fixedly connected with a rotating rod, one end of the guide rod, which is far away from the outer wall of the rotating rod is fixedly connected to the guide frame, guide frames are fixedly connected to the guide frames, guide plates are fixedly connected between the two groups of the guide plates, heat exchange tubes are arranged between the two groups of guide plates and are sleeved on the outer walls of the heat exchange tubes, and the heat exchange tubes are sleeved outside the heat exchange tubes, and the heat exchange tubes are arranged at the outer groups, and the heat exchange tubes are sleeved outside the heat exchange tubes, and are sleeved through the heat tubes. As a further description of the above technical solution: The bull stick runs through and rotates to be connected in the inside of casing, bull stick and casing rotation junction are provided with the sealing piece, and the multiunit the felt all runs through and installs at the through-hole inner wall of baffle. As a further description of the above technical solution: The inner walls of the sliding block and the fixed frame are in a dovetail rectangular shape. As a further description of the above technical solution: The two groups of connecting rods are obliquely arranged. As a further description of the above technical solution: The outside of felt is provided with the installation component, the installation component includes two sets of installing frames, two sets of felt joint is at the inner wall of two sets of installing frames, the left side the slot has all been seted up to the circular opening right-hand member of installing frame, the right side the equal fixedly connected with fixture block of circular opening left end of installing frame, two sets of the fixture block is pegged graft the inner wall at two sets of slots, two sets of the draw-in groove has all been seted up to t